JPS5669381A - Corrosion inhibitor of aluminum and its alloy - Google Patents

Corrosion inhibitor of aluminum and its alloy

Info

Publication number
JPS5669381A
JPS5669381A JP14421579A JP14421579A JPS5669381A JP S5669381 A JPS5669381 A JP S5669381A JP 14421579 A JP14421579 A JP 14421579A JP 14421579 A JP14421579 A JP 14421579A JP S5669381 A JPS5669381 A JP S5669381A
Authority
JP
Japan
Prior art keywords
aqueous solution
alloy
compound
corrosion
aluminum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14421579A
Other languages
Japanese (ja)
Inventor
Akio Kiyama
Takeshi Fujimoto
Takayuki Kato
Kozo Tabata
Hiroshi Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Aluminum Industries KK
Showa Keikinzoku KK
Original Assignee
Showa Aluminum Industries KK
Showa Keikinzoku KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Showa Aluminum Industries KK, Showa Keikinzoku KK filed Critical Showa Aluminum Industries KK
Priority to JP14421579A priority Critical patent/JPS5669381A/en
Publication of JPS5669381A publication Critical patent/JPS5669381A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
    • C23F11/185—Refractory metal-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/04—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/06—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly alkaline liquids

Abstract

PURPOSE:To restrain the corrosion of Al and its alloy in an aqueous solution with an easy handling, not to cause the trouble of environmental pollution, by incorporating V compound in the aqueous solution as an effective component. CONSTITUTION:V compound such as vanadate is added to a neutral water, aqueous solution of inorganic acid, alkaline aqueous solution, aqueous solution of salts or aqueous solution of organic acid and is used. Thereupon, corrosion of Al or Al alloy in the water or aqueous solution can be restrained. Moreover, troubles of environmental pollution etc. are not caused, as the toxicity of said V compound is comparatively low and also, its handling is easy. Vanadate is the most preferred among V compounds but vanadium oxide and vanadyl salt are also effective.
JP14421579A 1979-11-07 1979-11-07 Corrosion inhibitor of aluminum and its alloy Pending JPS5669381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14421579A JPS5669381A (en) 1979-11-07 1979-11-07 Corrosion inhibitor of aluminum and its alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14421579A JPS5669381A (en) 1979-11-07 1979-11-07 Corrosion inhibitor of aluminum and its alloy

Publications (1)

Publication Number Publication Date
JPS5669381A true JPS5669381A (en) 1981-06-10

Family

ID=15356908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14421579A Pending JPS5669381A (en) 1979-11-07 1979-11-07 Corrosion inhibitor of aluminum and its alloy

Country Status (1)

Country Link
JP (1) JPS5669381A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360294A (en) * 1986-08-29 1988-03-16 Nippon Paint Co Ltd Rust preventing method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918550A (en) * 1972-06-14 1974-02-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918550A (en) * 1972-06-14 1974-02-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360294A (en) * 1986-08-29 1988-03-16 Nippon Paint Co Ltd Rust preventing method

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